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horrorfan [7]
2 years ago
8

SELECT THE BEST ANSWER

Mathematics
1 answer:
bearhunter [10]2 years ago
8 0

Answer:

3a² + 13ab - 10b²

Step-by-step explanation:

(3a - 2b)(a + 5b)

Each term in each bracket multiplies each term in the other bracket.

3a(a + 5b) -2b(a + 5b)

3a² + 15ab - 2ab - 10b²

3a² + 13ab - 10b²

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What is x over 5 - 68 = -95
vagabundo [1.1K]
Hello, there!


This would look like: x/5 - 68 = -95

First, we want to isolate the x.

x/5 - 68 = -95
      +68    +68

 x/5 = -27

Now, we will work backwards to find the x.

-27 * 5 = x

-27 * 5 = -135

x = -135

Your answer is -135


I hope I helped!

Let me know if you need anything else!

~ Zoe
5 0
3 years ago
The area of circle h is 200.96 square feet. what are the radius and diameter of circle h? what is the circumference of circle h?
Vlad [161]
Radius is 8

diameter is 16

curcumference is 50.24
7 0
3 years ago
7 ounce- 4.58$<br> 15 ounce- 6.30$<br> Find the unit rate of both numbers
Zielflug [23.3K]

Answer:

7 ounces-4.58 = 1 ounce-0.654....

15 ounces-6.30= 1 ounce- 0.42

Explanation:

Divide 4.58 and 7 and divide 6.30 and 15.

And you get your answers.

I think im not really good with unit rate.

5 0
3 years ago
Solve and check: 3 x2 + 5x + 6 + x − 1 x + 2 = 7 x + 3
vagabundo [1.1K]

Answer:

3x^{2} -2x +5=0

Step-by-step explanation:

Combine liked terms:

3x^{2}+5x+x-1x+6+2=7x+3

3x^{2}+6x-1x+8=7x+3

3x^{2}+5x+8=7x+3

Subtract 3: 3x^{2}+5x+8-3=7x+3-3

3x^{2}+5x+5=7x

Now subtract 7x:

3x^{2}+5x+5-7x=7x-7x

If you want combine liked terms:

3x^{2}-7x+5x+5=0

3x^{2}-2x+5=0

Hope this helps!

5 0
3 years ago
Solve the following equation.<br>​
vitfil [10]

Answer:

x=10/3=3.333 or = - 10/3=-3.333

Step-by-step explanation:

4 0
3 years ago
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